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Interleukin-18

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https://www.readbyqxmd.com/read/29690614/cytokine-expression-and-macrophage-localization-in-xenograft-and-allograft-tumor-models-stimulated-with-lipopolysaccharide
#1
Junko Masuda, Tsukasa Shigehiro, Takuma Matsumoto, Ayano Satoh, Akifumi Mizutani, Chiho Umemura, Shoki Saito, Mayumi Kijihira, Eiji Takayama, Akimasa Seno, Hiroshi Murakami, Masaharu Seno
T cell-deficient mice such as nude mice are often used to generate tumor xenograft for the development of anticancer agents. However, the functionality of the other immune cells including macrophages, dendritic cells (DCs), and myeloid-derived suppressor cells (MDSCs) in the xenograft are largely unknown. Macrophages and dendritic cells (DCs) acquire functionally distinct properties in response to various environmental stimuli; the interaction of these cells with MDSCs in tumor microenvironments regulates cancer progression...
April 23, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29682805/protective-effects-of-sarsasapogenin-against-early-stage-of-diabetic-nephropathy-in-rats
#2
Yao-Wu Liu, Yun-Chao Hao, Ya-Jing Chen, Shen-Yuan Yin, Meng-Ya Zhang, Li Kong, Tao-Yun Wang
Rhizome of Anemarrhena asphodeloides Bunge (AA, family Liliaceae) has been widely used in China for thousands of years to treat febrile diseases and diabetes. Steroidal saponins from AA show good antidiabetes effects and ameliorate diabetic complications. This study was designed to investigate the effects of sarsasapogenin (Sar), a major sapogenin from AA, on diabetic nephropathy (DN) in rats, and to explore the possible mechanisms. Diabetic rats were divided into 3 groups treated orally with Sar (0, 20, or 60 mg/kg) and carboxymethylcellulose sodium, whereas normal rats for Sar (0 or 60 mg/kg) and carboxymethylcellulose sodium...
April 23, 2018: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29663159/evaluation-of-the-effect-of-polyphenol-of-escin-compared-with-ibuprofen-and-dexamethasone-in-synoviocyte-model-for-osteoarthritis-an-in-vitro-study
#3
Hossein Maghsoudi, Jamal Hallajzadeh, Mozhghan Rezaeipour
Osteoarthritis (OA) is a chronic degenerative joint disease with inflammatory component. It is associated with progressive histological alterations and disabling symptoms. Today, drugs such as glucocorticoids (GCs) and nonsteroidal anti-inflammatory drugs (NSIADs) are commonly employed for treatment of osteoarthritis, but have serious and life-threatening side effects. The aim of the current study is to evaluate the effects of escin on cyclooxygenase-2 (COX-2, isoform), inducible nitric oxide synthase (iNOS), interleukin-1β (IL-1β), interleukin-18 (IL-18), tumor necrosis factor-alpha (TNF-α), and nitric oxide (NO) (1), as well as prostaglandin E2 (PGE2) on inflammatory cells, similar osteoarthritis in synoviocytes, and monocytes/macrophages, and to compare it with dexamethasone (DEX) and ibuprofen (IBP)...
April 16, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29657680/evaluation-of-the-role-of-137g-c-single-nucleotide-polymorphism-rs187238-and-gene-expression-levels-of-the-il-18-in-patients-with-coronary-artery-disease
#4
Fatemeh Hoseini, Sanaz Mahmazi, Khalil Mahmoodi, Gholam Ali Jafari, Mohammad Soleiman Soltanpour
Objectives: Interleukin-18 (IL-18) is a proinflammatory and proatherogenic cytokine, and its genetic variations may contribute to the development of coronary artery disease (CAD). We sought to investigate the role of -137G/C polymorphism and gene expression levels of IL-18 in patients with CAD. Methods: The study population included 100 patients with angiographically proven CAD and 100 matched controls. Total RNA and DNA were extracted from leukocytes using appropriate kits...
March 2018: Oman Medical Journal
https://www.readbyqxmd.com/read/29652619/circulating-cytokine-chemokine-concentrations-respond-to-ionizing-radiation-doses-but-not-radiation-dose-rates-granulocyte-colony-stimulating-factor-and-interleukin-18
#5
Juliann G Kiang, Joan T Smith, Sara R Hegge, Natalia I Ossetrova
Exposure to ionizing radiation is a crucial life-threatening factor in nuclear and radiological incidents. It is known that ionizing radiation affects cytokine/chemokine concentrations in the blood of B6D2F1 mice. It is not clear whether radiation dose rates would vary the physiological response. Therefore, in this study we utilized data from two experiments using B6D2F1 female mice exposed to six different dose rates ranging from low to high rates. In one experiment, mice received a total dose of 8 Gy (LD0/30 ) of 60 Co gamma radiation at four dose rates: 0...
April 13, 2018: Radiation Research
https://www.readbyqxmd.com/read/29648472/downregulation-of-serum-long-noncoding-rna-gas5-may-contribute-to-insulin-resistance-in-pcos-patients
#6
Haiyan Lin, Weijie Xing, Yu Li, Yanxin Xie, Xiaoshi Tang, Qingxue Zhang
Polycystic ovary syndrome (PCOS) is a common endocrine disease that affects reproductive-aged women and mostly characterized by insulin resistance (IR). The underlying mechanism remains unknown. Long noncoding RNAs (lncRNAs) have been demonstrated to be involved in various levels of biological regulation process of cell development, metabolism, and differentiation. This study aims to investigate the relationship between IR and differential expression of lncRNA Growth-arrest specific transcript 5 (GAS5) in patients' serum with and without PCOS...
April 12, 2018: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29619614/tnf%C3%AE-and-il-1%C3%AE-but-not-il-18-suppresses-hippocampal-long-term-potentiation-directly-at-the-synapse
#7
G Aleph Prieto, Liqi Tong, Erica D Smith, Carl W Cotman
CNS inflammatory responses are linked to cognitive impairment in humans. Research in animal models supports this connection by showing that inflammatory cytokines suppress long-term potentiation (LTP), the best-known cellular correlate of memory. Cytokine-induced modulation of LTP has been previously studied in vivo or in brain slices, two experimental approaches containing multiple cell populations responsive to cytokines. In their target cells, cytokines commonly increase the expression of multiple cytokines, thus increasing the complexity of brain cytokine networks even after single-cytokine challenges...
April 4, 2018: Neurochemical Research
https://www.readbyqxmd.com/read/29611111/caspase-1-associated-immune-activation-in-an-accelerated-siv-infected-rhesus-macaque-model
#8
Alison C Kearns, Jake A Robinson, Masoud Shekarabi, Fengming Liu, Xuebin Qin, Tricia H Burdo
In the antiretroviral therapy (ART) era, chronic HIV infection is primarily associated with chronic inflammation driving comorbidities such as cardiovascular disease and neurocognitive impairment. Caspase-1 activation in leukocytes has been documented in HIV infection; however, whether caspase-1 activation and the downstream pro-inflammatory cytokines interleukin-1beta (IL-1β) and interleukin-18 (IL-18) contribute to chronic inflammation in HIV comorbidities remains undetermined. The relationship between the caspase-1 cascade and persistent inflammation in HIV has not been investigated...
April 2, 2018: Journal of Neurovirology
https://www.readbyqxmd.com/read/29601578/hiv-induces-production-of-il-18-from-intestinal-epithelial-cells-that-increases-intestinal-permeability-and-microbial-translocation
#9
Ossama Allam, Suzanne Samarani, Vikram Mehraj, Mohammad-Ali Jenabian, Cecile Tremblay, Jean-Pierre Routy, Devendra Amre, Ali Ahmad
Interleukin-18 (IL-18) is a pleiotropic cytokine of the IL-1 family with multiple context dependent functions. We and others have shown that HIV infection is accompanied by increased circulating levels of IL-18 along with decreased levels of its antagonist, Interleukin-18 Binding Protein (IL-18BP). The infection is also accompanied by intestinal inflammation and decreased intestinal integrity as measured by intestinal permeability, regeneration and repair. However, little is known concerning the relation between high level of IL-18 associated with the viral infection and intestinal permeability...
2018: PloS One
https://www.readbyqxmd.com/read/29600966/asymmetric-dimethylarginine-as-a-useful-risk-marker-of-radial-artery-calcification-in-patients-with-advanced-kidney-disease
#10
Marcin Krzanowski, Katarzyna Krzanowska, Mariusz Gajda, Paulina Dumnicka, Grzegorz Kopeć, Bartłomiej Guzik, Karolina Woziwodzka, Artur Dziewierz, Jan A Litwin, Władysław Sułowicz
INTRODUCTION    Medial arterial calcification is common in patients with chronic kidney disease (CKD) and is considered a risk factor for morbidity and mortality. OBJECTIVES    We aimed to evaluate the correlation between asymmetric dimethylarginine (ADMA) levels, radial artery calcification, and common carotid artery intima-media thickness (CCA‑IMT). PATIENTS AND METHODS    The study included 51 patients with CKD, in whom an arteriovenous fistula for hemodialysis access was created to collect radial artery samples for a histological examination, and 33 healthy volunteers, in whom the reference concentrations of ADMA were assessed...
March 29, 2018: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/29600486/influence-of-corticosteroid-therapy-on-il-18-and-nitric-oxide-production-during-beh%C3%A3-et-s-disease
#11
Fatmazohra Djaballah-Ider, Zineb Djeraba, Mourad Chemli, Nadjiba Dammene-Debbihe, Doulkifly Lounis, Houda Belguendouz, Yanis Medour, Samia Chaib, Chafia Touil-Boukoffa
BACKGROUND AND AIMS: Behçet's disease (BD) is a chronic multisystemic inflammatory disease with complex etiopathogenesis. Th1-proinflammatory cytokines seem to be involved in its pathogenesis. Our current study aims to evaluate interleukin-18 (IL-18) and nitric oxide (NO) involvement in the development of different clinical manifestations of BD as well as to investigate the corticosteroid therapy effect on this production in Algerian patients. METHODS: For this purpose, we evaluated in vivo and ex vivo IL-18, interferon-γ (IFN-γ) levels using ELISA and NO production by the Griess' method in naïve-active and corticosteroid-treated BD patients with different clinical manifestations...
March 29, 2018: Inflammopharmacology
https://www.readbyqxmd.com/read/29599908/regulatory-b-cells-induced-by-pancreatic-cancer-cell-derived-interleukin-18-promote-immune-tolerance-via-the-pd-1-pd-l1-pathway
#12
Yan Zhao, Ming Shen, Yecheng Feng, Ruizhi He, Xiaodong Xu, Yu Xie, Xiuhui Shi, Min Zhou, Shutao Pan, Min Wang, Xingjun Guo, Renyi Qin
Dysregulation of regulatory B cells (Bregs), a type of immunosuppressive lymphocyte, are associated with development of autoimmune diseases and cancers. Bregs produce immune tolerance-inducing cell surface molecules and tolerogenic cytokines (interleukin [IL]-10 and transforming growth factor-beta). We previously showed that levels of the inflammatory cytokine IL-18 were increased in patients with pancreatic cancer. In the present study study, we found that pancreatic cancer cell-derived IL-18 increases Breg-induced immunosuppression...
March 13, 2018: Oncotarget
https://www.readbyqxmd.com/read/29593464/the-emerging-role-of-inflammasomes-as-central-mediators-in-inflammatory-bladder-pathology
#13
REVIEW
Brian M Inouye, Francis M Hughes, Stephanie J Sexton, J Todd Purves
Irritative voiding symptoms (e.g. increased frequency and urgency) occur in many common pathologic conditions such as urinary tract infections and bladder outlet obstruction, and these conditions are well-established to have underlying inflammation that directly triggers these symptoms. However, it remains unclear as to how such diverse stimuli individually generate a common inflammatory process. Jürg Tschopp provided substantial insight into this conundrum when, working with extracts from THP-1 cells, he reported the existence of the inflammasome...
February 2018: Current Urology
https://www.readbyqxmd.com/read/29578355/risk-factors-for-hypersensitivity-reactions-to-tocilizumab-introduction-in-systemic-juvenile-idiopathic-arthritis
#14
Ryuhei Yasuoka, Naomi Iwata, Naoki Abe, Toaki Kohagura, Haruna Nakaseko, Masaki Shimizu, Shinji Kawabe
OBJECTIVES: To identify risk factors for hypersensitivity reaction (HSR) to tocilizumab (TCZ) in systemic juvenile idiopathic arthritis (sJIA). METHODS: Clinical records of 40 patients with sJIA administered TCZ at one center were retrospectively reviewed. Patients were divided into HSR or non-HSR groups depending on the presence of HSR between the 1st and 3rd TCZ administrations; clinical and laboratory assessments, including serum cytokine profile, were compared...
March 26, 2018: Modern Rheumatology
https://www.readbyqxmd.com/read/29562376/a-meta-analysis-evaluating-the-relationship-between-il-18-gene-promoter-polymorphisms-and-an-individual-s-susceptibility-to-hcv-infection
#15
W Chen, M Jing, Q Zhang, R Yuan, S Jing
BACKGROUND: Several observational studies have investigated interleukin-18 (IL-18) gene polymorphisms with regard to susceptibility to hepatitis C virus (HCV) infection, but the results have been inconsistent. AIM: To evaluate the relationships between functional polymorphisms in the IL-18 gene and an individual's susceptibility to HCV infection, a meta-analysis was performed. Methods: A literature search was conducted using the PubMed, EMBASE, Web of Science and China BioMedicine databases to investigate the correlation between IL-18 gene polymorphisms and susceptibility to HCV infection...
January 2018: Acta Gastro-enterologica Belgica
https://www.readbyqxmd.com/read/29559970/interleukin-18-amplifies-macrophage-polarization-and-morphological-alteration-leading-to-excessive-angiogenesis
#16
Takuro Kobori, Shinichi Hamasaki, Atsuhiro Kitaura, Yui Yamazaki, Takashi Nishinaka, Atsuko Niwa, Shinichi Nakao, Hidenori Wake, Shuji Mori, Tadashi Yoshino, Masahiro Nishibori, Hideo Takahashi
M2 macrophage (Mφ) promotes pathologic angiogenesis through a release of pro-angiogenic mediators or the direct cell-cell interaction with endothelium in the micromilieu of several chronic inflammatory diseases, including rheumatoid arthritis and cancer, where interleukin (IL)-18 also contributes to excessive angiogenesis. However, the detailed mechanism remains unclear. The aim of this study is to investigate the mechanism by which M2 Mφs in the micromilieu containing IL-18 induce excessive angiogenesis in the in vitro experimental model using mouse Mφ-like cell line, RAW264...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29541790/biomarkers-for-prediction-of-renal-replacement-therapy-in-acute-kidney-injury-a-systematic-review-and-meta-analysis
#17
REVIEW
Sebastian J Klein, Anna K Brandtner, Georg F Lehner, Hanno Ulmer, Sean M Bagshaw, Christian J Wiedermann, Michael Joannidis
PURPOSE: Acute kidney injury (AKI) frequently occurs in critically ill patients and often precipitates use of renal replacement therapy (RRT). However, the ideal circumstances for whether and when to start RRT remain unclear. We performed evidence synthesis of the available literature to evaluate the value of biomarkers to predict receipt of RRT for AKI. METHODS: We conducted a PRISMA-guided systematic review and meta-analysis including all trials evaluating biomarker performance for prediction of RRT in AKI...
March 14, 2018: Intensive Care Medicine
https://www.readbyqxmd.com/read/29531586/effect-of-a-histone-deacetylases-inhibitor-of-il-18-and-tnf-alpha-secretion-in-vitro
#18
Zlatka Georgieva Dobreva, Boncho Grigorov Grigorov, Spaska Angelova Stanilova
BACKGROUND: Interleukin-18 (IL-18) and Tumor Necrosis Factor-alpha (TNF-α) are proinflammatory cytokines that increased the development of Th1 immune response, but have a different type of regulation of the gene expression. Whereas TNF-α has an inducible expression, IL-18 is translated as an inactive protein and required proteolytic cleavage by Casp-1 in inflammasome complexes. AIM: To investigate the effect of the histone deacetylases inhibitor Suberoylanilide Hydroxamic Acid (SAHA) on the gene expression and secretion of both cytokines, IL-18 and TNF-α, according to their contribution to the cancer development and anticancer immunity...
February 15, 2018: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29517616/a-dose-escalation-study-of-recombinant-human-interleukin-18-in-combination-with-ofatumumab-after-autologous-peripheral-blood-stem-cell-transplantation-for-lymphoma
#19
Michael J Robertson, Christopher W Stamatkin, David Pelloso, Jill Weisenbach, Nagendra K Prasad, Ahmad R Safa
Interleukin-18 (IL-18) is an immunostimulatory cytokine that augments antibody-dependent cellular cytotoxicity mediated by human natural killer cells against antibody-coated lymphoma cells in vitro and that has antitumor activity in animal models. Ofatumumab is a CD20 monoclonal antibody with activity against human B-cell lymphomas. A phase I study of recombinant human (rh) IL-18 given with ofatumumab was undertaken in patients with CD20 lymphoma who had undergone high-dose chemotherapy and autologous peripheral blood stem cell transplantation...
April 2018: Journal of Immunotherapy
https://www.readbyqxmd.com/read/29514661/physiological-and-molecular-effects-of-interleukin-18-administration-on-the-mouse-kidney
#20
Kyosuke Yamanishi, Keiichiro Mukai, Takuya Hashimoto, Kaoru Ikubo, Keiji Nakasho, Yosif El-Darawish, Wen Li, Daisuke Okuzaki, Yuko Watanabe, Tetsu Hayakawa, Hiroshi Nojima, Hiromichi Yamanishi, Haruki Okamura, Hisato Matsunaga
BACKGROUND: The cytokine interleukin-18 was originally identified as an interferon-γ-inducing proinflammatory factor; however, there is increasing evidence to suggest that it has non-immunological effects on physiological functions. We previously investigated the potential pathophysiological relationship between interleukin-18 and dyslipidemia, non-alcoholic fatty liver disease, and non-alcoholic steatohepatitis, and suggested interleukin-18 as a possible novel treatment for not only these diseases but also for cancer immunotherapy...
March 7, 2018: Journal of Translational Medicine
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